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Quiz 133
Mdcat-past-papers Quiz
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2641. The photosynthetic pigments of plants are arranged as clusters in thylakoid membrane. The reaction center of these clusters is made of:
ATP
Chlorophyll
Glucose
Carotenoids
2642. What is the color of chlorophyll-b molecule?
Blueish green
yellowish Green
Dark Green
Reddish green
2643. Autotrophic mode in nutrition in organisms depends upon?
Saprotrophic mode
Parasitic mode
Photosynthetic mode
Obligate mode
2644. Which option is correct about a chlorophyll molecule?
Chemical formula C55H72O5N4Mg
Methyl group on second pyrrole ring
Porphyrin ring with nitrogen in centre
Aldehyde group on second pyrrole ring
2645. Colorless Plastid is called:
Leucoplast
Chromoplast
Cyanoplast
Erythroplast
2646. The common energy currency of the cells is:
NADH
ADP
ATP
NAD+
2647. Which of the following is the end product of anaerobic respiration?
Acetaldehyde
Methyl alcohol
Formaldehyde
Ethyl alcohol
2648. Anaerobic respiration as compared to aerobic respiration produces:
Less ATPs
More ATPs
Equal ATPs
Does not produce ATP
2649. Each gram of fat as compared to each gram of carbohydrate produces
2-4 times
2x ATPs
9x ATPs
100-300
2650. Ubiquinone contains:
Iron chloride
Iron sulphate
Iron
Iron phosphate
2651. Chlorophyll and accessory pigment absorb light and transfer the energy that initiates the light reactions. What is the order of energy transfer:
Carotenoids - Chlorophyll b - Chlorophyll a
Chlorophyll II a - carotenoids - chlorophyll II b - chlorophyll I
Chlorophyll a - chlorophyll b - carotenoids - chlorophyll a
Carotenoids - chlorophyll a - chlorophyll b - chlorophyll a
2652. The range of visible light is from:
300-650nm
350-700nm
380-750nm
430-790nm
2653. The carotenoids absorb light in the visible spectrum between -------- and -------- wavelengths.
400-600nm
630-700nm
620-700nm
500-600nm
2654. Cyclic phosphorylation uses:
PSI
PSII
uses both photosystems
uses none of the above
2655. How many pyrrole rings are present in the porphyrin ring of chlorophyll molecule?
2
2
3
4
2656. Chemiosmosis is concerned with production of:
NADP
FAD
NAD+
ATP
2657. Some electron from the second primary acceptor may pass back to chlorophyll molecules by electron carrier system, yielding ATP. This process is called:
Phosphorylation
Non-cyclic phosphorylation
Photophosphorylation
Cyclic phosphorylation
2658. Z-scheme is used for:
Non-cyclic photophosphorylation
Phosphorylation
Both cyclic & Non cyclic
Oxidative phosphorylation
2659. The product of cyclic photophosphorylation is/are:
ATP
NADP & ATP
NADP
NADP, ATP and O2
2660. #NAME?
Thylakoid membrane
Thylakoid space
Stroma
Grana
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